MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious URL, identified as a redirector for SEO-based phishing or malware distribution. The heuristic firings indicate the PDF is designed to link to external content, likely as part of a link farm or phishing lure. The ML classifier strongly suggests malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://cctraff.ru/strik?keyword=kitab+ushul+fiqh+pdf In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/bc6193f5-77db-4bf9-8efc-0b560e696434/74630228167.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ed6ba78-e0da-4581-888e-25652804c100/moxajodimu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bce109b6-9067-4baf-93a5-db8f983a7320/56700102661.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ad3c79d-1138-4f26-9507-9478b624c329/43673807032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0488/3025/1173/files/pozofefusolijurikafopex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1519/8104/files/life_nutra_keto_pills.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5960/1830/files/sk-ii_facial_treatment_mask_ingredients.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8877/1227/files/24565801899.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3439/5295/files/sujikevanewusirigizat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0498/8508/5870/files/4317545584.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0482/5812/1883/files/81984171043.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4095/4773/files/hunter_left_4_dead_art.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9714/2936/files/motorola_3347-02_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5835/4584/files/56267431942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4783/0183/files/27144239332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0495/9895/5684/files/vakamizipuget.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5730/7039/files/kazajiguminor.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off00009a22.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x9A22 | 20256 bytes |
SHA-256: 3ef2d7ea6fc3f83292f9664f05662a0af10bc6cb634501abf625d0422664dc54 |
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font_00_sfnt_off0000663c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x663C | 5268 bytes |
SHA-256: ca39fb894e4a5063313ce014b8bad5fbf5a6e9eedd6faba3952080f34ba0eadd |
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font_01_sfnt_off00007817.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7817 | 9880 bytes |
SHA-256: faa6135d17894a026df0534c0ed7382ee0980c5dc3bbb53907f8561ecab5569b |
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